<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .test1{
            width: 1200px;
            height: 500px;
            border: 1px red solid;
            overflow: auto;

        }
        .test1 div{
            border: 1px red solid;
            float: left;
            width: 568px;
            margin-left: 20px;
            height: 98px;
            margin-top: 20px;
        }
    </style>
</head>
<body>
<div class="test1">
    <div>
   1
    </div>
     <div>
          1
     </div>
    <div>
     1
    </div>
    <div>
        1
    </div>
    <div>
        1
    </div>
    <div>
        1
    </div>
    <div>
        1
    </div>
    <div>
        1
    </div>
    <div>
        1
    </div>
    <div>
        1
    </div>

</div>
<script>
     var a= {
          b:function (){
              return function (){
                  console.log(this)
              }

          }
     }
     var m ={

     }
    m.c = a.b();
     console.log(m.c());
</script>
</body>
</html>